{"id":175807,"date":"2024-11-08T09:09:19","date_gmt":"2024-11-08T01:09:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175807\/"},"modified":"2024-11-08T09:09:20","modified_gmt":"2024-11-08T01:09:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-181-%e7%b4%a2%e5%bc%95%e9%8d%b5%e6%a8%a1%e5%bc%8f%e6%a8%a1%e7%b3%8a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175807\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 181 &#8211; \u7d22\u5f15\u9375\u6a21\u5f0f\u6a21\u7cca"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-181-%e7%b4%a2%e5%bc%95%e9%8d%b5%e6%a8%a1%e5%bc%8f%e6%a8%a1%e7%b3%8a-NlYZimjVAf\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 181 &#8211; \u7d22\u5f15\u9375\u6a21\u5f0f\u6a21\u7cca<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc181\uff0c\u9019\u901a\u5e38\u8207\u7d22\u5f15\u9375\u6a21\u5f0f\u6a21\u7cca\u6709\u95dc\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc181%e7%9a%84%e5%8e%9f%e5%9b%a0-NlYZimjVAf\">\u932f\u8aa4\u4ee3\u78bc181\u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc181\u901a\u5e38\u51fa\u73fe\u5728MongoDB\u7684\u67e5\u8a62\u904e\u7a0b\u4e2d\uff0c\u7576\u7d22\u5f15\u9375\u7684\u6a21\u5f0f\u4e0d\u660e\u78ba\u6216\u4e0d\u4e00\u81f4\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u5b9a\u7fa9\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u5728\u4e0d\u540c\u7684\u96c6\u5408\u4e2d\u4f7f\u7528\u4e86\u76f8\u540c\u7684\u7d22\u5f15\u540d\u7a31\uff0c\u4f46\u5176\u7d50\u69cb\u6216\u985e\u578b\u4e0d\u540c\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6a21\u5f0f\u6a21\u7cca\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u8207\u7d22\u5f15\u5b9a\u7fa9\u4e0d\u7b26\u6642\uff0cMongoDB\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u7d22\u5f15\u3002<\/li>\n<li><strong>\u8907\u5408\u7d22\u5f15\u554f\u984c\uff1a<\/strong>\u5728\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u6642\uff0c\u5982\u679c\u7d22\u5f15\u4e2d\u7684\u5b57\u6bb5\u985e\u578b\u4e0d\u4e00\u81f4\uff0c\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e5%bd%b1%e9%9f%bf-NlYZimjVAf\">\u932f\u8aa4\u7684\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe\u932f\u8aa4\u4ee3\u78bc181\u6642\uff0cMongoDB\u5c07\u7121\u6cd5\u57f7\u884c\u76f8\u95dc\u7684\u67e5\u8a62\u64cd\u4f5c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002\u7279\u5225\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u74b0\u5883\u4e2d\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u5ef6\u9072\uff0c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc181-NlYZimjVAf\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc181<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc181\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e5%ae%9a%e7%be%a9-NlYZimjVAf\">1. \u6aa2\u67e5\u7d22\u5f15\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u6240\u6709\u76f8\u95dc\u96c6\u5408\u7684\u7d22\u5f15\u5b9a\u7fa9\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.getIndexes()<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u7d22\u5f15\u7684\u7d50\u69cb\u548c\u985e\u578b\u4e00\u81f4\u3002\u5982\u679c\u767c\u73fe\u4e0d\u4e00\u81f4\uff0c\u60a8\u9700\u8981\u91cd\u65b0\u5b9a\u7fa9\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%80%e8%87%b4-NlYZimjVAf\">2. \u78ba\u4fdd\u6578\u64da\u985e\u578b\u4e00\u81f4<\/h3>\n<p>\u6aa2\u67e5\u63d2\u5165\u5230\u96c6\u5408\u4e2d\u7684\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u5b83\u5011\u8207\u7d22\u5f15\u5b9a\u7fa9\u76f8\u7b26\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u96c6\u5408\u4e2d\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>db.collection.find().pretty()<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff0c\u60a8\u9700\u8981\u9032\u884c\u6578\u64da\u6e05\u7406\u6216\u8f49\u63db\uff0c\u4ee5\u78ba\u4fdd\u4e00\u81f4\u6027\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-NlYZimjVAf\">3. \u91cd\u65b0\u5275\u5efa\u7d22\u5f15<\/h3>\n<p>\u5982\u679c\u7d22\u5f15\u7684\u7d50\u69cb\u6216\u985e\u578b\u4e0d\u6b63\u78ba\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u4e26\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.dropIndex(\"indexName\")<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.createIndex({ field1: 1, field2: -1 })<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e6%9f%a5%e8%a9%a2-NlYZimjVAf\">4. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n<p>\u5728\u4fee\u5fa9\u4e86\u7d22\u5f15\u548c\u6578\u64da\u985e\u578b\u5f8c\uff0c\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u67e5\u8a62\u80fd\u5920\u6b63\u5e38\u57f7\u884c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u67e5\u8a62\u6e2c\u8a66\uff1a<\/p>\n<pre><code>db.collection.find({ field1: value })<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8a62\u6210\u529f\u57f7\u884c\uff0c\u5247\u8868\u793a\u932f\u8aa4\u5df2\u7d93\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NlYZimjVAf\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc181 &#8211; \u7d22\u5f15\u9375\u6a21\u5f0f\u6a21\u7cca\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u6aa2\u67e5\u7d22\u5f15\u5b9a\u7fa9\u3001\u78ba\u4fdd\u6578\u64da\u985e\u578b\u4e00\u81f4\u3001\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\u4ee5\u53ca\u6e2c\u8a66\u67e5\u8a62\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u4f7f\u7528MongoDB\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9019\u4e9b\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u589e\u5f37\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc181\uff0c\u89e3\u6c7a\u7d22\u5f15\u9375\u6a21\u5f0f\u6a21\u7cca\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175807","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175807"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175807\/revisions"}],"predecessor-version":[{"id":175808,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175807\/revisions\/175808"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}